package com.qd.panda.service.integral;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.cdqidi.constant.ConstantDto;
import com.cdqidi.db.BaseService;
import com.cdqidi.dto.CacheKey;
import com.cdqidi.exception.ApiException;
import com.cdqidi.util.RedisTemplateUtil;
import com.qd.common.panda.domain.entity.integral.UserIntegralDetailDTO;
import com.qd.panda.mapper.integral.UserIntegralDetailMapper;
import com.qd.panda.model.UserIntegralDetail;
import com.qd.system.service.dict.MbUtil;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;

import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Optional;

import static java.util.stream.Collectors.toList;

/**
 * 个人积分明细
 *
 * @author sjk
 */
@RequiredArgsConstructor
@Service
@Slf4j
public class UserIntegralDetailService extends BaseService<UserIntegralDetailMapper, UserIntegralDetail> {

    private static final String PREFIX_ID = "panda_user_integral_detail_did_{0}";
    private static final String PREFIX_UNIQUE_PANDA_USER = "panda_user_integral_detail_bid_{0}_status_{1}";

    private final RedisTemplateUtil<UserIntegralDetail> redisTemplateUtil;


    /**
     * 保存
     *
     * @param dto 页面对象
     * @return 页面对象
     */
    @Transactional(rollbackFor = Exception.class)
    public UserIntegralDetailDTO save(UserIntegralDetailDTO dto) {
        checkUnique(dto);
        final UserIntegralDetail model = dtoToModel(dto);
        try {
            if (super.save(model)) {
                return modelToDto(model);
            }
            throw new ApiException("添加失败");
        } finally {
            clearCache(model);
            model.freeData();
        }
    }

    /**
     * 修改
     *
     * @param dto 页面对象
     * @return 页面对象
     */
    @Transactional(rollbackFor = Exception.class)
    public UserIntegralDetailDTO update(UserIntegralDetailDTO dto) {
        checkUnique(dto);
        final UserIntegralDetail historyModel = Optional.ofNullable(getById(dto.getDid())).orElseThrow(() -> new ApiException("ID不存在,不能更新"));
        final UserIntegralDetail model = dtoToModel(dto);
        try {
            if (super.updateById(model)) {
                return modelToDto(model);
            }
            throw new ApiException("更新失败");
        } finally {
            clearCache(historyModel);
            historyModel.freeData();
            model.freeData();
        }
    }

    /**
     * 删除，单个
     *
     * @param did 主键
     */
    @Transactional(rollbackFor = Exception.class)
    public void removeById(String did) {
        final UserIntegralDetail model = Optional.ofNullable(getById(did)).orElseThrow(() -> new ApiException("数据不存在,不能删除"));
        try {
            if (!super.removeById(did)) {
                throw new ApiException("删除失败");
            }
        } finally {
            clearCache(model);
            model.freeData();
        }
    }

    /**
     * 根据传入对象构建查询参数，判断是否存在
     *
     * @param dto 参数
     * @return 存在为true
     */
    @Transactional(readOnly = true)
    public Boolean isExists(UserIntegralDetailDTO dto) {
        final QueryWrapper<UserIntegralDetail> queryWrapper = createQueryWrapper(dto);
        final boolean exists = super.count(queryWrapper) > 0;
        queryWrapper.clear();
        return exists;
    }

    /**
     * 根据主键判断数据是否存在
     *
     * @param did 主键
     * @return 存在为true
     */
    @Transactional(readOnly = true)
    public Boolean isExistsById(String did) {
        boolean exists = false;
        if (StringUtils.hasLength(did)) {
            final UserIntegralDetail model = getById(did);
            exists = (null != model);
            if (exists) {
                model.freeData();
            }
        }
        return exists;
    }

    /**
     * 根据主键获取数据
     *
     * @param did 主键
     * @return 单条记录
     */
    @Transactional(readOnly = true)
    public UserIntegralDetail getById(String did) {
        final String key = RedisTemplateUtil.getRedisCacheKey(PREFIX_ID, did);
        return redisTemplateUtil.get(new CacheKey().setKey(key).setTimeout(ConstantDto.REDIS_TIME_OUT_DAY), () -> super.getById(did), UserIntegralDetail.class);
    }

    /**
     * 根据主键获取数据
     *
     * @param did 主键
     * @return 单条记录，转换成页面对象
     */
    @Transactional(readOnly = true)
    public UserIntegralDetailDTO getByIdDto(String did) {
        return Optional.ofNullable(getById(did)).map(this::modelToDto).orElse(null);
    }

    /**
     * 根据条件查询单条数据
     *
     * @param dto 查询参数
     * @return 单条记录
     */
    @Transactional(readOnly = true)
    public UserIntegralDetail getOne(UserIntegralDetailDTO dto) {
        final QueryWrapper<UserIntegralDetail> queryWrapper = createQueryWrapper(dto);
        UserIntegralDetail model = super.getOne(queryWrapper);
        queryWrapper.clear();
        return model;
    }

    /**
     * 根据条件查询单条数据
     *
     * @param dto 查询参数
     * @return 单条记录，转换成页面对象
     */
    @Transactional(readOnly = true)
    public UserIntegralDetailDTO getOneDto(UserIntegralDetailDTO dto) {
        return Optional.ofNullable(getOne(dto)).map(this::modelToDto).orElse(null);
    }

    /**
     * 根据条件查询列表数据
     *
     * @param dto 查询参数
     * @return 列表数据
     */
    @Transactional(readOnly = true)
    public List<UserIntegralDetail> getList(UserIntegralDetailDTO dto) {
        final QueryWrapper<UserIntegralDetail> queryWrapper = createQueryWrapper(dto);
        final List<UserIntegralDetail> list = super.list(queryWrapper);
        queryWrapper.clear();
        return list;
    }

    /**
     * 根据条件查询列表数据
     *
     * @param dto 查询参数
     * @return 列表数据，转换成页面对象
     */
    @Transactional(readOnly = true)
    public List<UserIntegralDetailDTO> getListDto(UserIntegralDetailDTO dto) {
        return modelToDtoList(getList(dto));
    }

    /**
     * 分页数据
     *
     * @param page 分页对象
     * @param dto  查询参数
     * @return 分页信息
     */
    @Transactional(readOnly = true)
    public IPage<UserIntegralDetailDTO> page(Page<UserIntegralDetail> page, UserIntegralDetailDTO dto) {
        final QueryWrapper<UserIntegralDetail> queryWrapper = createQueryWrapper(dto, "ud.");
        final IPage<UserIntegralDetailDTO> iPage = baseMapper.page(page, queryWrapper);
        Optional.ofNullable(iPage.getRecords()).ifPresent(l -> l.forEach(this::buildDisplay));
        queryWrapper.clear();
        return iPage;
    }

    /**
     * 根据唯一性索引获得数据
     * param bid
     * param status
     *
     * @return 单条数据
     */
    @Transactional(readOnly = true)
    public UserIntegralDetail getUniqueByBidAndStatus(String bid, Integer status) {
        final QueryWrapper<UserIntegralDetail> queryWrapper = new QueryWrapper<>();
        queryWrapper.eq("bid", bid);
        queryWrapper.eq("status", status);
        final String key = RedisTemplateUtil.getRedisCacheKey(PREFIX_UNIQUE_PANDA_USER, bid, status);
        final UserIntegralDetail model = redisTemplateUtil.get(new CacheKey().setKey(key).setTimeout(ConstantDto.REDIS_TIME_OUT_DAY), () -> super.getOne(queryWrapper, false), UserIntegralDetail.class);
        queryWrapper.clear();
        return model;
    }

    /**
     * 验证唯一性索引
     *
     * @param dto 页面对象
     */
    @Transactional(readOnly = true)
    public void checkUnique(UserIntegralDetailDTO dto) {
        UserIntegralDetail model = getUniqueByBidAndStatus(dto.getBid(), dto.getStatus());
        if (null != model) {
            checkUnique(dto, model);
        }
    }

    /**
     * 验证唯一性索引
     *
     * @param dto   页面对象
     * @param model 根据约束字段查询出来的数据库对象
     */
    private void checkUnique(UserIntegralDetailDTO dto, UserIntegralDetail model) {
        if (!StringUtils.hasLength(dto.getDid())) {
            throw new ApiException("数据已存在，请勿重复添加");
        }
        if (!dto.getDid().equals(model.getDid())) {
            throw new ApiException("数据已存在，请勿重复添加");
        }
    }

    /**
     * 清空缓存
     *
     * @param model 数据库对象
     */
    public void clearCache(UserIntegralDetail model) {
        if (null == model) {
            return;
        }
        String key = RedisTemplateUtil.getRedisCacheKey(PREFIX_ID, model.getDid());
        redisTemplateUtil.deleteByKey(key);
        redisTemplateUtil.deleteByKey(RedisTemplateUtil.getRedisCacheKey(PREFIX_UNIQUE_PANDA_USER, model.getBid(), model.getStatus()));
    }

    /**
     * 数据库对象转页面对象
     *
     * @param model 数据库对象
     * @return 页面对象
     */
    public UserIntegralDetailDTO modelToDto(UserIntegralDetail model) {
        if (null == model) {
            return null;
        }
        final UserIntegralDetailDTO dto = new UserIntegralDetailDTO();
        dto.setDid(model.getDid());
        dto.setIntegral(model.getIntegral());
        dto.setNote(model.getNote());
        dto.setAddTime(model.getAddTime());
        dto.setStatus(model.getStatus());
        dto.setPointType(model.getPointType());
        dto.setUserId(model.getUserId());
        dto.setBid(model.getBid());
        buildDisplay(dto);
        return dto;
    }

    /**
     * 页面对象转数据库对象
     *
     * @param dto 页面对象
     * @return 数据库对象
     */
    public UserIntegralDetail dtoToModel(UserIntegralDetailDTO dto) {
        if (null == dto) {
            return null;
        }
        final UserIntegralDetail model = new UserIntegralDetail();
        model.setDid(dto.getDid());
        model.setIntegral(dto.getIntegral());
        model.setNote(dto.getNote());
        model.setAddTime(dto.getAddTime());
        model.setStatus(dto.getStatus());
        model.setPointType(dto.getPointType());
        model.setUserId(dto.getUserId());
        model.setBid(dto.getBid());
        return model;
    }

    /**
     * 码表转换
     *
     * @param dto 页面对象
     */
    public void buildDisplay(UserIntegralDetailDTO dto) {
        dto.setStatusDisplay(dto.getStatus() == 0 ? "消费" : "获得");
        dto.setPointTypeDisplay(MbUtil.idToDisplay(dto.getPointType()));
    }

    /**
     * 数据库对象转页面对象
     *
     * @param list 数据库对象
     * @return 页面对象
     */
    public List<UserIntegralDetailDTO> modelToDtoList(List<UserIntegralDetail> list) {
        return Optional.ofNullable(list).orElse(Collections.emptyList()).stream().map(this::modelToDto).collect(toList());
    }

    /**
     * 页面对象转数据库对象
     *
     * @param list 页面对象
     * @return 数据库对象
     */
    public List<UserIntegralDetail> dtoToModelList(List<UserIntegralDetailDTO> list) {
        return Optional.ofNullable(list).orElse(Collections.emptyList()).stream().map(this::dtoToModel).collect(toList());
    }

    /**
     * 拼装查询参数，除了主键的其他字段会自动加入进来
     *
     * @param dto 查询参数，不为空的属性会被自动加入
     */
    public QueryWrapper<UserIntegralDetail> createQueryWrapper(UserIntegralDetailDTO dto) {
        return createQueryWrapper(dto, "");
    }

    /**
     * 拼装查询参数，除了主键的其他字段会自动加入进来
     *
     * @param dto        查询参数，不为空的属性会被自动加入
     * @param tableAlias 表别名
     */
    public QueryWrapper<UserIntegralDetail> createQueryWrapper(UserIntegralDetailDTO dto, String tableAlias) {
        final QueryWrapper<UserIntegralDetail> queryWrapper = new QueryWrapper<>();
        if (null != dto) {
            if (StringUtils.hasLength(tableAlias)) {
                if (tableAlias.charAt(tableAlias.length() - 1) != '.') {
                    tableAlias += ".";
                }
            }
            if (StringUtils.hasLength(dto.getPointType())) {
                queryWrapper.eq(tableAlias + "point_type", dto.getPointType());
            }
            if (StringUtils.hasLength(dto.getUserId())) {
                queryWrapper.eq(tableAlias + "user_id", dto.getUserId());
            }
            if (StringUtils.hasLength(dto.getBid())) {
                queryWrapper.eq(tableAlias + "bid", dto.getBid());
            }
            if (null != dto.getStatus()) {
                queryWrapper.eq(tableAlias + "status", dto.getStatus());
            }
        }
        queryWrapper.orderByDesc(tableAlias + "add_time");
        queryWrapper.orderByAsc(tableAlias + "point_type");
        queryWrapper.orderByAsc(tableAlias + "status");
        return queryWrapper;
    }

    /**
     * 批量检查主键在数据库中是否存在
     *
     * @param ids 主键集合
     */
    public List<UserIntegralDetail> checkIds(List<String> ids) {
        if (null == ids || ids.isEmpty()) {
            throw new ApiException("ids不能为空");
        }
        final List<UserIntegralDetail> list = super.listByIds(ids);
        if (list.isEmpty()) {
            throw new ApiException("ids不存在" + Arrays.toString(ids.toArray()));
        }
        if (ids.size() == list.size()) {
            return list;
        }
        List<String> dbIds = list.stream().map(UserIntegralDetail::getDid).collect(toList());
        final List<String> notExistsList = ids.stream().filter(id -> !dbIds.contains(id)).collect(toList());
        dbIds.clear();
        if (!notExistsList.isEmpty()) {
            throw new ApiException("ids不存在" + Arrays.toString(notExistsList.toArray()));
        }
        return list;
    }
}